N22 and N22H C.A.S.T system boxes new in original packaging, these have never been used. You do not need a Cranborne Audio rack/interface to use these, it's simply an analog interface system that allows you to utilize a pair of cat 5/6/7 ethernet cables in place of several XLR cables for longer cable runs up to 100m, great for recording from outside the 'control room' in a home studio or for location recording in noisy ef environments. I've found blue jeans cable co's ethernet cables to be especially well shielded. If you need help with how to use them I can help. Asking $200 or best offer, no trades please.